Granted Patent
Utility
US 6,521,247 · App. 09/539,360
Dual iron containing nutritional supplement
Inventor:
Tina deVries
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Mar 31, 2000
Inventor
Tina deVries
Assignee (at issue)
Warner Chilcott Laboratories Ireland Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.